Domainless SAML federation in Microsoft Entra External ID

Check out this article via web browser: Domainless SAML federation in Microsoft Entra External ID If you ve ever set up direct federation with a SAML Identity Provider in Microsoft Entra External ID, you ll know the pain. You configure everything correctly, invite a guest user, and then they hit a cryptic error at sign-in: AADSTS5000819: SAML Assertion is invalid. Email address claim is missing or…